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-rw-r--r--generic/tclIO.c115
1 files changed, 61 insertions, 54 deletions
diff --git a/generic/tclIO.c b/generic/tclIO.c
index b7cfb45..26db2f4 100644
--- a/generic/tclIO.c
+++ b/generic/tclIO.c
@@ -480,7 +480,7 @@ ChanSeek(
if (Tcl_ChannelWideSeekProc(chanPtr->typePtr) == NULL) {
*errnoPtr = EINVAL;
- return -1;
+ return TCL_INDEX_NONE;
}
return Tcl_ChannelWideSeekProc(chanPtr->typePtr)(chanPtr->instanceData,
@@ -1223,7 +1223,7 @@ Tcl_UnregisterChannel(
if (interp != NULL) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
"illegal recursive call to close through close-handler"
- " of channel", -1));
+ " of channel", TCL_INDEX_NONE));
}
return TCL_ERROR;
}
@@ -2694,7 +2694,7 @@ CheckForDeadChannel(
Tcl_SetErrno(EINVAL);
if (interp) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
- "unable to access channel: invalid channel", -1));
+ "unable to access channel: invalid channel", TCL_INDEX_NONE));
}
return 1;
}
@@ -2892,7 +2892,7 @@ FlushChannel(
if (interp != NULL && !TclChanCaughtErrorBypass(interp,
(Tcl_Channel) chanPtr)) {
Tcl_SetObjResult(interp,
- Tcl_NewStringObj(Tcl_PosixError(interp), -1));
+ Tcl_NewStringObj(Tcl_PosixError(interp), TCL_INDEX_NONE));
}
/*
@@ -3455,7 +3455,7 @@ TclClose(
if (interp) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
"illegal recursive call to close through close-handler"
- " of channel", -1));
+ " of channel", TCL_INDEX_NONE));
}
return TCL_ERROR;
}
@@ -3558,7 +3558,7 @@ TclClose(
Tcl_SetErrno(stickyError);
if (interp != NULL) {
Tcl_SetObjResult(interp,
- Tcl_NewStringObj(Tcl_PosixError(interp), -1));
+ Tcl_NewStringObj(Tcl_PosixError(interp), TCL_INDEX_NONE));
}
return TCL_ERROR;
}
@@ -3576,7 +3576,7 @@ TclClose(
&& 0 == Tcl_GetCharLength(Tcl_GetObjResult(interp))) {
Tcl_SetErrno(result);
Tcl_SetObjResult(interp,
- Tcl_NewStringObj(Tcl_PosixError(interp), -1));
+ Tcl_NewStringObj(Tcl_PosixError(interp), TCL_INDEX_NONE));
}
if (result != 0) {
return TCL_ERROR;
@@ -3648,7 +3648,7 @@ Tcl_CloseEx(
if (chanPtr != statePtr->topChanPtr) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
- "half-close not applicable to stack of transformations", -1));
+ "half-close not applicable to stack of transformations", TCL_INDEX_NONE));
return TCL_ERROR;
}
@@ -3681,7 +3681,7 @@ Tcl_CloseEx(
if (interp) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
"illegal recursive call to close through close-handler"
- " of channel", -1));
+ " of channel", TCL_INDEX_NONE));
}
return TCL_ERROR;
}
@@ -4149,13 +4149,13 @@ Tcl_WriteChars(
Tcl_Channel chan, /* The channel to buffer output for. */
const char *src, /* UTF-8 characters to queue in output
* buffer. */
- size_t len) /* Length of string in bytes, or -1 for
+ size_t len) /* Length of string in bytes, or TCL_INDEX_NONE for
* strlen(). */
{
Channel *chanPtr = (Channel *) chan;
ChannelState *statePtr = chanPtr->state; /* State info for channel */
- int result;
- Tcl_Obj *objPtr, *copy;
+ size_t result;
+ Tcl_Obj *objPtr;
if (CheckChannelErrors(statePtr, TCL_WRITABLE) != 0) {
return TCL_INDEX_NONE;
@@ -4182,11 +4182,15 @@ Tcl_WriteChars(
}
objPtr = Tcl_NewStringObj(src, len);
- copy = TclNarrowToBytes(objPtr);
- src = (char *) Tcl_GetByteArrayFromObj(copy, &len);
+ Tcl_IncrRefCount(objPtr);
+ src = (char *) Tcl_GetByteArrayFromObj(objPtr, &len);
+ if (src == NULL) {
+ Tcl_SetErrno(EILSEQ);
+ result = TCL_INDEX_NONE;
+ } else {
+ result = WriteBytes(chanPtr, src, len);
+ }
TclDecrRefCount(objPtr);
- result = WriteBytes(chanPtr, src, len);
- TclDecrRefCount(copy);
return result;
}
@@ -4205,8 +4209,8 @@ Tcl_WriteChars(
* line buffering mode.
*
* Results:
- * The number of bytes written or -1 in case of error. If -1,
- * Tcl_GetErrno() will return the error code.
+ * The number of bytes written or TCL_INDEX_NONE in case of error. If
+ * TCL_INDEX_NONE, Tcl_GetErrno() will return the error code.
*
* Side effects:
* May buffer up output and may cause output to be produced on the
@@ -4236,12 +4240,15 @@ Tcl_WriteObj(
return TCL_INDEX_NONE;
}
if (statePtr->encoding == NULL) {
- int result;
- Tcl_Obj *copy = TclNarrowToBytes(objPtr);
+ size_t result;
- src = (char *) Tcl_GetByteArrayFromObj(copy, &srcLen);
- result = WriteBytes(chanPtr, src, srcLen);
- Tcl_DecrRefCount(copy);
+ src = (char *) Tcl_GetByteArrayFromObj(objPtr, &srcLen);
+ if (src == NULL) {
+ Tcl_SetErrno(EILSEQ);
+ result = TCL_INDEX_NONE;
+ } else {
+ result = WriteBytes(chanPtr, src, srcLen);
+ }
return result;
} else {
src = Tcl_GetStringFromObj(objPtr, &srcLen);
@@ -4307,7 +4314,7 @@ WillRead(
* ready e.g. if it contains a newline and we are in line buffering mode.
*
* Results:
- * The number of bytes written or -1 in case of error. If -1,
+ * The number of bytes written or TCL_INDEX_NONE in case of error. If TCL_INDEX_NONE,
* Tcl_GetErrno will return the error code.
*
* Side effects:
@@ -4532,8 +4539,8 @@ Write(
* Reads a complete line of input from the channel into a Tcl_DString.
*
* Results:
- * Length of line read (in characters) or -1 if error, EOF, or blocked.
- * If -1, use Tcl_GetErrno() to retrieve the POSIX error code for the
+ * Length of line read (in characters) or TCL_INDEX_NONE if error, EOF, or blocked.
+ * If TCL_INDEX_NONE, use Tcl_GetErrno() to retrieve the POSIX error code for the
* error or condition that occurred.
*
* Side effects:
@@ -4573,8 +4580,8 @@ Tcl_Gets(
* converted to UTF-8 using the encoding specified by the channel.
*
* Results:
- * Number of characters accumulated in the object or -1 if error,
- * blocked, or EOF. If -1, use Tcl_GetErrno() to retrieve the POSIX error
+ * Number of characters accumulated in the object or TCL_INDEX_NONE if error,
+ * blocked, or EOF. If TCL_INDEX_NONE, use Tcl_GetErrno() to retrieve the POSIX error
* code for the error or condition that occurred.
*
* Side effects:
@@ -5007,8 +5014,8 @@ Tcl_GetsObj(
* may be called when an -eofchar is set on the channel.
*
* Results:
- * Number of characters accumulated in the object or -1 if error,
- * blocked, or EOF. If -1, use Tcl_GetErrno() to retrieve the POSIX error
+ * Number of characters accumulated in the object or TCL_INDEX_NONE if error,
+ * blocked, or EOF. If TCL_INDEX_NONE, use Tcl_GetErrno() to retrieve the POSIX error
* code for the error or condition that occurred.
*
* Side effects:
@@ -5156,7 +5163,7 @@ TclGetsObjBinary(
if ((dst == dstEnd) && (byteLen == oldLength)) {
/*
* If we didn't append any bytes before encountering EOF,
- * caller needs to see -1.
+ * caller needs to see TCL_INDEX_NONE.
*/
byteArray = Tcl_SetByteArrayLength(objPtr, oldLength);
@@ -5684,7 +5691,7 @@ CommonGetsCleanup(
* No encoding conversions are applied to the bytes being read.
*
* Results:
- * The number of bytes read, or -1 on error. Use Tcl_GetErrno() to
+ * The number of bytes read, or TCL_INDEX_NONE on error. Use Tcl_GetErrno() to
* retrieve the error code for the error that occurred.
*
* Side effects:
@@ -5729,7 +5736,7 @@ Tcl_Read(
* No encoding conversions are applied to the bytes being read.
*
* Results:
- * The number of bytes read, or -1 on error. Use Tcl_GetErrno() to
+ * The number of bytes read, or TCL_INDEX_NONE on error. Use Tcl_GetErrno() to
* retrieve the error code for the error that occurred.
*
* Side effects:
@@ -5847,7 +5854,7 @@ Tcl_ReadRaw(
* object.
*
* Results:
- * The number of characters read, or -1 on error. Use Tcl_GetErrno() to
+ * The number of characters read, or TCL_INDEX_NONE on error. Use Tcl_GetErrno() to
* retrieve the error code for the error that occurred.
*
* Side effects:
@@ -5861,7 +5868,7 @@ Tcl_ReadChars(
Tcl_Channel chan, /* The channel to read. */
Tcl_Obj *objPtr, /* Input data is stored in this object. */
size_t toRead, /* Maximum number of characters to store, or
- * -1 to read all available data (up to EOF or
+ * TCL_INDEX_NONE to read all available data (up to EOF or
* when channel blocks). */
int appendFlag) /* If non-zero, data read from the channel
* will be appended to the object. Otherwise,
@@ -5885,7 +5892,7 @@ Tcl_ReadChars(
*/
UpdateInterest(chanPtr);
- return -1;
+ return TCL_INDEX_NONE;
}
return DoReadChars(chanPtr, objPtr, toRead, appendFlag);
@@ -5903,7 +5910,7 @@ Tcl_ReadChars(
* object.
*
* Results:
- * The number of characters read, or -1 on error. Use Tcl_GetErrno() to
+ * The number of characters read, or TCL_INDEX_NONE on error. Use Tcl_GetErrno() to
* retrieve the error code for the error that occurred.
*
* Side effects:
@@ -5917,7 +5924,7 @@ DoReadChars(
Channel *chanPtr, /* The channel to read. */
Tcl_Obj *objPtr, /* Input data is stored in this object. */
size_t toRead, /* Maximum number of characters to store, or
- * -1 to read all available data (up to EOF or
+ * TCL_INDEX_NONE to read all available data (up to EOF or
* when channel blocks). */
int appendFlag) /* If non-zero, data read from the channel
* will be appended to the object. Otherwise,
@@ -6109,7 +6116,7 @@ DoReadChars(
*
* Results:
* The return value is the number of bytes appended to the object, or
- * -1 to indicate that zero bytes were read due to an EOF.
+ * TCL_INDEX_NONE to indicate that zero bytes were read due to an EOF.
*
* Side effects:
* The storage of bytes in objPtr can cause (re-)allocation of memory.
@@ -6178,7 +6185,7 @@ ReadChars(
* allocated to hold data, not how many bytes
* of data have been stored in the object. */
int charsToRead, /* Maximum number of characters to store, or
- * -1 to get all available characters.
+ * TCL_INDEX_NONE to get all available characters.
* Characters are obtained from the first
* buffer in the queue -- even if this number
* is larger than the number of characters
@@ -6326,12 +6333,12 @@ ReadChars(
* the stopping, but the value of dstRead does not include it.
*
* Also rather bizarre, our caller can only notice an EOF
- * condition if we return the value -1 as the number of chars
+ * condition if we return the value TCL_INDEX_NONE as the number of chars
* read. This forces us to perform a 2-call dance where the
* first call can read all the chars up to the eof char, and
* the second call is solely for consuming the encoded eof
* char then pointed at by src so that we can return that
- * magic -1 value. This seems really wasteful, especially
+ * magic TCL_INDEX_NONE value. This seems really wasteful, especially
* since the first decoding pass of each call is likely to
* decode many bytes beyond that eof char that's all we care
* about.
@@ -7793,10 +7800,10 @@ Tcl_BadChannelOption(
Tcl_Obj *errObj;
Tcl_DStringInit(&ds);
- Tcl_DStringAppend(&ds, genericopt, -1);
+ Tcl_DStringAppend(&ds, genericopt, TCL_INDEX_NONE);
if (optionList && (*optionList)) {
TclDStringAppendLiteral(&ds, " ");
- Tcl_DStringAppend(&ds, optionList, -1);
+ Tcl_DStringAppend(&ds, optionList, TCL_INDEX_NONE);
}
if (Tcl_SplitList(interp, Tcl_DStringValue(&ds),
&argc, &argv) != TCL_OK) {
@@ -8081,7 +8088,7 @@ Tcl_SetChannelOption(
if (interp) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
"unable to set channel options: background copy in"
- " progress", -1));
+ " progress", TCL_INDEX_NONE));
}
return TCL_ERROR;
}
@@ -8132,7 +8139,7 @@ Tcl_SetChannelOption(
} else if (interp) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
"bad value for -buffering: must be one of"
- " full, line, or none", -1));
+ " full, line, or none", TCL_INDEX_NONE));
return TCL_ERROR;
}
return TCL_OK;
@@ -8199,7 +8206,7 @@ Tcl_SetChannelOption(
if (interp) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
"bad value for -eofchar: must be non-NUL ASCII"
- " character", -1));
+ " character", TCL_INDEX_NONE));
}
Tcl_Free((void *)argv);
return TCL_ERROR;
@@ -8263,7 +8270,7 @@ Tcl_SetChannelOption(
if (interp) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
"bad value for -translation: must be a one or two"
- " element list", -1));
+ " element list", TCL_INDEX_NONE));
}
Tcl_Free((void *)argv);
return TCL_ERROR;
@@ -8293,7 +8300,7 @@ Tcl_SetChannelOption(
if (interp) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
"bad value for -translation: must be one of "
- "auto, binary, cr, lf, crlf, or platform", -1));
+ "auto, binary, cr, lf, crlf, or platform", TCL_INDEX_NONE));
}
Tcl_Free((void *)argv);
return TCL_ERROR;
@@ -8342,7 +8349,7 @@ Tcl_SetChannelOption(
if (interp) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
"bad value for -translation: must be one of "
- "auto, binary, cr, lf, crlf, or platform", -1));
+ "auto, binary, cr, lf, crlf, or platform", TCL_INDEX_NONE));
}
Tcl_Free((void *)argv);
return TCL_ERROR;
@@ -9933,7 +9940,7 @@ CopyData(
*
* Results:
* The number of bytes actually stored (<= bytesToRead),
- * or -1 if there is an error in reading the channel. Use
+ * or TCL_INDEX_NONE if there is an error in reading the channel. Use
* Tcl_GetErrno() to retrieve the error code for the error
* that occurred.
*
@@ -9942,7 +9949,7 @@ CopyData(
* - EOF is reached on the channel; or
* - the channel is non-blocking, and we've read all we can
* without blocking.
- * - a channel reading error occurs (and we return -1)
+ * - a channel reading error occurs (and we return TCL_INDEX_NONE)
*
* Side effects:
* May cause input to be buffered.
@@ -10447,7 +10454,7 @@ Tcl_GetChannelNamesEx(
&& (pattern[2] == 'd'))) {
if ((Tcl_FindHashEntry(hTblPtr, pattern) != NULL)
&& (Tcl_ListObjAppendElement(interp, resultPtr,
- Tcl_NewStringObj(pattern, -1)) != TCL_OK)) {
+ Tcl_NewStringObj(pattern, TCL_INDEX_NONE)) != TCL_OK)) {
goto error;
}
goto done;
@@ -10474,7 +10481,7 @@ Tcl_GetChannelNamesEx(
if (((pattern == NULL) || Tcl_StringMatch(name, pattern)) &&
(Tcl_ListObjAppendElement(interp, resultPtr,
- Tcl_NewStringObj(name, -1)) != TCL_OK)) {
+ Tcl_NewStringObj(name, TCL_INDEX_NONE)) != TCL_OK)) {
error:
TclDecrRefCount(resultPtr);
return TCL_ERROR;
generated by cgit v0.12 at 2024-11-16 10:24:27 (GMT)